Nitrate Fertilizer Articles & Analysis: Older
11 articles found
Mike, our Agronomist, was recently asked a few questions about irrigation and nutrition for a magazine. What quality parameters can be influenced (fruit size, flavour, firmness, shelf life, etc.)? All crop quality parameters can be enhanced through correct use of nutrition. Having the ideal strength and balance of nutrients at all stages of the crop cycle will help to ensure the best product ...
Cereals take up most of the N as nitrate, but since the fertilisers also contain ammonium N that will be converted to nitrate in the soil, spreading must take place before the high absorption begins. ...
BySolvi AB
Nitrogen is a product of the natural metabolism of plant and animal matter, and fertilizer runoff. Organic nitrogen can take many forms in water, including nitrate, nitrite, and ammonia. If ammonia is present in significant quantities, it can indicate that the water column does not have sufficient oxygen to oxidize ammonia to nitrite and nitrate. ...
One of the main aims of the Rural Development Plan under the EU Common Agricultural Policy is the protection of nitrate sensitive areas through agri–environmental schemes. This paper presents a mathematical programming model for farm planning in agricultural areas that are sensitive to nitrates. A bilevel linear programming (BLP) model is developed, that can achieve the optimal farm production ...
Estimates of litter value based on crop yield equivalency to inorganic fertilization may reflect the actual value of litter more accurately than estimates based on its N, P, and K content. The primary objective of this research was to identify a rate of broiler litter that results in cotton lint yield equivalent to inorganic N fertilization and to estimate litter value based on this yield ...
Texas bluebonnet (Lupinus texensis Hook.) was grown with its naturally occurring root hemiparasite, Texas paintbrush (Castilleja indivisa Engelm.). Catechins, fertilizer (ammonium nitrate), or water were added to soil twice weekly. ...
The systems of reduced tillage required higher surface-dribbled urea ammonium nitrate solution (UAN) fertilizer to corn and potato to be as efficient as the CT system. ...
Ground-based active (self-illuminating) sensors make it possible to collect canopy data that are useful for making on-the-go N fertilizer application decisions. These technologies raise questions about plant-to-plant competition for targeted fertilizer N applications. This study evaluated the extent to which fertilizer N applied to an individual ...
The ratios in total N/total P and in inorganic N/organic N in runoff waters indicated that fertilization in spring greatly contributed to the temporal increase of N loadings, especially in forms of inorganic N. Isotope signature of 15N-nitrate in the water samples verified that the nitrate was derived from fertilizers and was ...
The treatments consisted of an unfertilized control (UTC), a standard fertilization (STD) with urea-ammonium nitrate solution (UAN), fertilization with 5.2 Mg ha–1 incorporated or unincorporated broiler litter to supply 67% of the N need plus 34 kg ha–1 UAN-N to supply 33% of the N need, and fertilization with 7.8 Mg ha–1 ...
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